Question to the Cabinet Office:

To ask the Minister for the Cabinet Office, how much has been spent by each Government Department on advertising on (a) Facebook, (b) Twitter, (c) Google, (d) Instagram in the last 12 months.

This information is not held by Cabinet Office. Each department is responsible for their own advertising spend. Advertising spend by Cabinet Office has been published in previous transparency data releases. These are available at https://www.gov.uk/government/publications/cabinet-office-spend-data.